+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.data.api.schema;
+
+import java.util.Map;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+
+/**
+ * {@link MapNode} which additionally preserves user-supplied ordering. This node represents a data instance of
+ * a {@code list} with {@code ordered-by user;} substatement and a {@code key} definition.
+ */
+public interface UserMapNode extends MapNode, OrderedNodeContainer<MapEntryNode> {
+ @Override
+ default Class<UserMapNode> contract() {
+ return UserMapNode.class;
+ }
+
+ /**
+ * {@inheritDoc}
+ *
+ * <p>
+ * The implementation is required to define a user-visible iteration order, which must match {@link #childAt(int)}.
+ */
+ @Override
+ Map<NodeIdentifierWithPredicates, MapEntryNode> asMap();
+}